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Atomic Aquatics

Atomic ST1 Regulator 1st & 2nd Stage

Atomic ST1 Regulator 1st & 2nd Stage

A Breath of Fresh Air
Environmentally conscious topside...natural breathing at depth
The ST1 is another industry first from Atomic Aquatics. The first stage is beautifully machined from a special grade 316 Stainless Steel that is twice the strength of brass with corrosion-resistance approaching Titanium. The use of Stainless Steel means we are doing our part for clean air when divers are out of the water. The legendary Atomic design means divers also breathe easy at depth.

First Stage:

  • First stage machined from solid 316 Stainless Steel
  • Atomic Jet Seat high-flow piston first stage
  • Freeze protected factory-sealed first stage also prevents contamination such as silt and sand
  • Nitrox ready for mixtures up to 40%
  • First stage ports: 2 HP fixed / 5 LP on swivel cap
Second Stage:
  • All-Titanium second stage construction same as Atomic T2 and B2 models
  • Patented Atomic Seat Saving Orifice (Titanium)
  • Patented Atomic Automatic Flow Control (AFC)
  • Rapid adjustment knob for manual second stage de-tuning in special situations
  • All-stainless steel Atomic Comfort Swivel standard
  • A new high-flow second stage case lowers breathing effort at any depth from shallow water to beyond the limits
  • Dual material second stage cover enables entire front to be used for purge
  • Dual silicone comfort fit mouthpiece with tear-resistant bite tabs
  • 2 year / 300 dive service interval
  • Limited Lifetime Warranty – not contingent on proof of service
  • Wide exhaust deflector to disperse bubbles for enhanced visibility

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